I usually buy chicks from a hatchery, and I know that is where the stores get them as well. This year I bought several batches from a hatchery and one from a feed store. The mortality rate on the feed store chicks, is the highest I have ever had. Usually I don't lose them after 3 days or so. But they are still coming up with problems even a month later. And the problems are different. Just 2 days ago, one just died for no apparent reason. And today I have one that is not using her legs all of a sudden. Any body have an opinion on this?